Anker 20100mah akupank

High-Speed Charging
PowerIQ and VoltageBoost combine to deliver the fastest possible charge (does not support Qualcomm Quick Charge).
Recharges itself in 10 hours with a 2 amp charger, phone chargers (generally 1 amp) may take up to 20 hours.

Enormous 4.8A Output
Industry leading output of 4.8 amps provides enough power to simultaneously charge any combination of devices at full speed.